“∼” is one of many symbols, listed in the Wikipedia article on approximation, used to indicate that one number is approximately equal to another. Note that “approximately equal” is reflexive and symmetric but not transitive. “∼” is one of many symbols used in logic to indicate negation.
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What does ∼ mean in statistics?
As a general rule, the symbol ∼ can be read as “behaves like” or “behaves according to”. In Statistics, it is used to indicate that a variable follows a certain distribution. So, for example, X∼N(μ,σ2) can be read as “X behaves according to a Normal distribution”. This is the usage relevant in the image in question.
What does =~ mean in math?
The Unicode standard lists all of them inside the Mathematical Operators Block. ≈ : ALMOST EQUAL TO (U+2248) ≃ : ASYMPTOTICALLY EQUAL TO (U+2243) ≅ : APPROXIMATELY EQUAL TO (U+2245)
What does the squiggle mean in math?
equivalence
(1) In mathematics, the tilde (~) stands for equivalence; for example, a ~ b means “a is equivalent to b” (not equal, but comparable). It also stands for approximation. Officially written as two tildes, one over the other, the single tilde has become acceptable; for example, ~100 means “approximately 100.”
What does a tilde over a variable mean?
In statistics and probability theory, a tilde placed on top of a variable is sometimes used to represent the median of that variable; thus would indicate the median of the variable . A tilde over the letter n ( ) is sometimes used to indicate the harmonic mean.
What does tilde mean in front of a number?
When you put a tilde before a number, for example, you’re saying that the number is approximate. If you wanted to say that your club had about $1,500 in the bank, you could use a tilde to write that the club had ~$1,500. Definitions of tilde.
What does this 3 mean in texting?
:3 is an emoticon which represents a coy smile. The emoticon :3 is used in texting and online chat to indicate a coy smile. For example: Ali: Would you like to go for a drink with me tonight? :3.
What is this symbol * called?
Asterisk
This article contains special characters.
| Symbol | Name of the symbol | See also |
|---|---|---|
| & | Ampersand | Ligature (writing) |
| ⟨ ⟩ | Angle brackets | Bracket |
| ‘ ‘ | Apostrophe | |
| * | Asterisk | Footnote |
What does ∧ mean in math?
∧ is (most often) the mathematical symbol for logical conjunction, which is equivalent to the AND operator you’re used to. Similarly ∨ is (most often) logical disjunction, which would be equivalent to the OR operator.
What issues does a squiggly line represent?
It’s called an “aspirational” or “tilde” notation, and in computer usage, the tilde sign stands for “approximately equal to,” or, more often these days: approximately.”
What is the purpose of a tilde?
The tilde (~) is used in phonetics to show intention of pronunciation, and it placed above a letter, below a letter, or superimposed onto the middle of a letter. Here is a summary: When placed above the letter, the tilde indicates nasalization.
What’s the squiggly line called?
tilde
Alternatively referred to as the squiggly or twiddle, the tilde is a character ( ~ ) on keyboards below the Esc (escape key). It is on the same key as the back quote that resembles a squiggly line. The graphic gives a representation of how the tilde character may appear when typed.
Is a tilde flirtatious?
In informal writing, a tilde (or multiple tildes) may be used at the end of a sentence to indicate a speaker is intending to be playful or flirty. You are most likely to encounter this usage on social media or in fanfiction writing.
How do you use a tilde?
iOS and Android Mobile Devices
Press and hold the A, N, or O key on the virtual keyboard to open a window with various accented options. Slide your finger to the character with a tilde and lift your finger to select it. Thank you for signing up!
What does
The emoticon <3. means "Love.”
What does ? mean from a girl?
? Two Hearts emoji
Portraying two heart symbols, with the larger one bigger and in the front, the two hearts emoji is widely used to express love, affection, pleasure, or happiness.
How do you get this emoji ♡?
Most likely, heart text symbol emoji is in your default keyboard key set. On my Galaxy SIII I can get ♡ and ♥ symbols by pressing [123] and then [1/3], and on Galaxy Note 4 with Android 5 can get ♡ via [Sym] and then [1/2].
What does @name mean in email?
Outlook. Email. Compose or reply. Compose or reply. Use @mentions to get someone’s attention.
Does a tilde mean approximately?
approximately
As a mathematical symbol, the tilde means “approximately” and in logic it means “not.” The tilde is one of the 128 alphanumeric and special characters in ASCII, the most common standard for electronic text exchange.
What does the upside down V mean?
The upside down ‘v’ used in the problem is called caret, and represents exponent, literally ‘raised to power’. It is a popular convention used to express exponents or superscripts where the usual superscript formatting is not available.
What does V mean in logic?
or
In symbolic logic, a sign such as V connects two statements to form a third statement. For example, V replaces the word “or” and Λ replaces the word “and.” The following is a list of the symbols commonly encountered: p, q, r,…